=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Mon, 06 Apr 2015 22:58:59 GMT
Content-Type: application/pdf
Content-Length: 541706
Last-Modified: Thu, 21 Aug 2014 21:54:30 GMT
Connection: close
ETag: "53f66a96-8440a"
Accept-Ranges: bytes


Link is valid.